Harry Truman actually said...
All departments, agencies, and independent establishments of the Executive branch of the Federal Government shall furnish to the Committee, upon the request of the American Chairman of the Committee, such of their records and documents as relate to the subjects referred to the Committee for examination and study under its several terms of reference.
Context
Executive Order 9682—Providing for the Furnishing of Information and Assistance to the Joint Anglo-american Committee of...
01/17/1946